adding 2 numbers correctly and in 5 seconds GAME

twoPGame.rb

require 'colorize'

# # "Player 1: What does 5 plus 3 equal?"

# # Both players start with 3 lives. They lose a life if they mis-answer a question. If a player gets a question wrong, the game should output the new scores for both players, so players know where they stand.

# # The game doesn’t end until one of the players loses all their lives. At this point, the game should announce who won and what the other player’s score is.

def getRandNums
  # [ (rand*10-5).round(1), (rand*10-5).round(1) ]    # rounding errs
  [ rand(100..1000) , rand(-100..100) ]
end

def getRandStr
  (0...3).map { (65 + rand(26)).chr }.join #http://stackoverflow.com/questions/88311/how-best-to-generate-a-random-string-in-ruby
end

class Player
  attr_reader :player_name, :numLife, :score

  def initialize(player_name)
    @player_name = player_name
    @numLife = 3
    @score = 0
  end


  def loseLife
    @numLife -= 1
  end


  def addScore
    @score += 1
  end

  def dispLife
    puts "#{@player_name} has #{@numLife} life left...".red
  end

  def dispScore
    puts "#{@player_name} has #{@score} score!".green
  end
end


####### MAIN #########

players = []

2.times do |i|    # 2 players
  players << Player.new(getRandStr)
end


runningFlag = true
begin
  for player in players ## each players ##  
  start_time = Time.now

  x , y = getRandNums
  puts "#{player.player_name}: What does #{x} plus #{y} equal?"
  guess = gets.chomp.to_f
  end_time = Time.now

    if guess == x + y  &&  (end_time-start_time < 5) # 3 seconds
      puts "==============="
      puts "correct!".green
      puts "Time spent was: #{end_time-start_time}".green
      player.addScore()
      player.dispScore()
      puts "==============="

    else
      puts "==============="
      puts "incorrect! / You were too slow!".red
      puts "correct answer was : #{x+y}.".red
      puts "Time spent was: #{end_time-start_time}".red
      player.loseLife()
      player.dispLife()
      puts "==============="

    end


  end


  if players.detect { |player| player.numLife <=0 }   
    runningFlag = false
    break
  end


end while runningFlag

puts "======================"
puts "======================"
players.each do |player| 
  # puts player.numLife.to_s + " is #{player.player_name}'s life in the end"
  puts player.score.to_s + " is #{player.player_name}'s score in the end"
end